Chemical compounds that occur naturally in plants | Contact experts in Phytochemistry to get answers
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Questions related to Phytochemistry
I need hesperidin conc of 100,200,300,400 microM.I am doing following - Made 100 mM hesperidin in DMSO. Then took 1 micro L (100mM hesperidin) + 1000 micro L media i.e 100 microM. 2microL(100mM...
14 September 2014 5,333 5 View
Six flavonol glucuronides from Tulipa gesneriana, Jaromir Budzianowski. phytochemistry, 30, (1991),1679. Can anybody download this paper and send to me. I have no access to "Phytochemistry"
09 September 2014 6,949 2 View
I have extracted malondialdehyde from pea seedlings 9 days old and want to quantify it by colorimetry. After sonicating and centrifuging a 300 mg sample in 1 mL of extractant I take an alicuot of...
08 August 2014 1,608 2 View
How can we preserve the active ingredient of the plants?
08 August 2014 8,577 1 View
Is it ok if ic50 is 1mM for the phytochemical drug ?
31 July 2014 1,034 6 View
I want to tag a formulation made of multiple phytochemicals which constitutes flavonoids and alkaloids with 99mTc. I will be using the 99mTc tagged formulation for gamma imaging on mice or New...
30 July 2014 6,657 2 View
I am planning to work on ASTAXANTHIN. I tried in sigma and other companies. I am unable to find where I can get this compound. In India I found it is difficult to get this compound. Can anybody...
25 July 2014 6,533 7 View
I am trying to isolate alkaloids from spinach. I am having methanol extract. I am planning to do 5% citric acid-ethyl acetate partition followed by addition of ammonia and extraction with ethyl...
22 July 2014 2,570 12 View
I am estimating free and bound phenolics (after alkaline hydrolysis) using folin ciocalteu method. No problem with bound phenolics estimation as it gives blue color after incubation and the color...
18 July 2014 7,506 2 View
The extract was obtained using silica gel column purification. The fraction was collected with methanol. It was showing a streak in TLC. I wish to crystallize a purified fraction from plant...
14 July 2014 2,246 21 View
Has anyone come across this diterpene, Abietatriene? In which plant and family is it found? What is its biological activity?
09 July 2014 7,006 3 View
Kindly suggest the list of medicinal plants used for skin/hair problems!
07 July 2014 6,615 3 View
07 July 2014 8,160 2 View
I have used Mo(VI) reduction assay for total antioxidant capacity of plant extracts. i got the absorbance values, now how to calculate total antioxidant capacity of plant extract by using these...
07 July 2014 965 7 View
I used an authentic standard to quantify lupeol content using GC-MS and another lab used HPLC. We had vastly different answers using the same standard.
07 July 2014 3,318 23 View
07 July 2014 3,756 23 View
07 July 2014 8,238 4 View
I work on effect of plant seeds extraction on antibiotic resistance bacteria
07 July 2014 5,607 9 View
I have an alkaloid purified from plant origin but it is oily and very difficult to work with. I wonder whether making it to salt form would be better for my further work. Kindly share your...
07 July 2014 8,215 4 View
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Why to go for isolation of phytochemical constituents when we know that these components act synergistically to show the enhanced efficacy?
07 July 2014 286 25 View
07 July 2014 6,983 2 View